Early Access

TurfLog

Lawn care tracking for enthusiasts

Track every product you apply, by zone, with real NPK math. Monitor disease pressure, growing degree days, and evapotranspiration — all from your zip code. Built by a lawn nerd, for lawn nerds.

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Free during early access Syncs across devices Installs as an app

What's inside

Everything a serious lawn person actually needs

🌿
Application Log
Track every product, every zone
Log fertilizers, fungicides, herbicides, PGRs, and biostimulants with per-zone area normalization. Real lbs/1k math, not just "I put some down."
🧪
NPK Dashboard
Season totals by zone
See exactly how much nitrogen, phosphorus, and potassium each zone has received this season versus your annual targets. Monthly bar charts included.
🌦
Disease Forecasting
Dollar spot, brown patch, Pythium
Smith-Kerns dollar spot model, brown patch risk, and Pythium blight — all driven by real hourly weather data from your zip code via Open-Meteo.
📈
GDD Tracker
Growing degree days, automated
Automatically fetches daily temps and accumulates GDD from base 50°F. Know exactly when crabgrass will germinate and when to reapply your PGR.
💧
ET Forecasting
FAO-56 Penman-Monteith ET₀
Daily reference evapotranspiration with per-zone crop coefficients. Know your deficit before your lawn tells you — with a 7-day forecast built in.
🔬
FRAC Rotation
Fungicide resistance management
Track FRAC codes across your fungicide applications and get rotation recommendations to avoid resistance buildup. Your product database included.

What it looks like

Application log
Primo Maxx
Front Back
PGR
Barricade 4FL
Front
Herbicide
Milorganite 6-4-0
Front Back
Fertilizer
NPK by zone (lbs / 1k ft²)
Front
2.34 N
Back
1.56 N
Side
1.02 N
Season target
4.0 lbs N
Applied to date
2.34 lbs N
Disease forecast
Dollar Spot
Smith-Kerns · 70–95°F + RH ≥90%
High
Brown Patch
Night low >70°F + high humidity
Moderate
Pythium
Air temp >86°F + wet canopy
Low
GDD tracker · base 50°F
412
growing degree days · 2024
0Crabgrass ~200 GDD800
Pre-emergent window
Active
PGR reapplication
On track

Why TurfLog

Built for people who actually care

Without TurfLog
Notes app with no math
Guessing how much N you've applied
Missed pre-emergent window
No idea when dollar spot pressure is high
PGR reapplication timing by feel
Fumbling for product rates every time
With TurfLog
Real lbs/1k math per zone
Season totals vs. targets at a glance
GDD tells you exactly when to apply
Smith-Kerns model from your zip code
GDD-based reapplication tracking
75+ products with rates pre-loaded

Ready to actually know
what's happening in your lawn?

Free during early access. Invite code required — DM to request one.

Request Early Access